Hello all
-----Original Message----- From: numpy-discussion-bounces@lists.sourceforge.net [mailto:numpy- discussion-bounces@lists.sourceforge.net] On Behalf Of Aric Hagberg Sent: Sunday, October 22, 2006 4:09 PM To: Discussion of Numerical Python Subject: Re: [Numpy-discussion] some work on arpack
On Sat, Oct 21, 2006 at 02:05:42PM -0700, Keith Goodman wrote:
Did you, or anybody else on the list, have any luck making a numpy version of eigs?
I made a start at an ARPACK wrapper, see http://projects.scipy.org/scipy/scipy/ticket/231 and the short thread at scipy-dev http://thread.gmane.org/gmane.comp.python.scientific.devel/5166/focus=5175
In addition to the wrapper there is a Python interface (and some tests). I don't know if the interface is like "eigs" - I don't use Matlab.
If you're interested in making an interface that looks like MATLAB's, you can take a peek at:
It will give you a few eigenvalues and eigenvectors for the standard eigenproblem (Ax=lx) for any type of A (symmetric/nonsymmetric, real/complex, single/double, sparse/nonsparse).
The generalized and shifted modes are not implemented. I need to find some time (or some help) to get it finished.
Regards, Aric
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